  # Add Two Two-Digit Numbers (1)

In this worksheet, stuents add two-digit numbers by adding the units, then adding the tens and combining the results. Key stage:  KS 2

Curriculum topic:   Number: Addition and Subtraction

Curriculum subtopic:   Use Written Addition/Subtraction to Three Digits

Difficulty level:   #### Worksheet Overview

In this worksheet you have to add together two two-digit numbers.

Example

Add the numbers:

28 + 57

Answer

First we add the units 8 + 7 = 15

Then we add the tens, 20 + 50 = 70

Then we combine the two results to get 15 70 = 85

The answer is 85

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